Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Custer, Custer County Airport (KCUT)

Lat: 43.73°NLon: 103.62°WElev: 5600ft.

Fair

60°F

16°C

Humidity 18%
Wind Speed SW 18 G 39 mph
Barometer 29.77 in (1004.3 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 13 Apr 1:53 pm MDT
Extended Forecast for

7 Miles ESE Pringle SD

Red Flag Warning April 13, 01:57pm until April 13, 09:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning April 13, 01:57pm until April 13, 09:00pm

    NOW until 9:00pm Mon

    Red Flag Warning

  • This Afternoon

    High: 69 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 41. Breezy, with a west wind 16 to 21 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 38 mph.

    Low: 41 °F

    Mostly Clear
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers after noon.  Mostly cloudy, with a high near 63. Light and variable wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.

    High: 63 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight.  Partly cloudy, with a low around 38. West wind 5 to 8 mph, with gusts as high as 17 mph.

    Low: 38 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70. Southwest wind 7 to 13 mph, with gusts as high as 25 mph.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 49. West wind 8 to 10 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 74. Breezy, with a west wind 11 to 21 mph, with gusts as high as 38 mph.

    High: 74 °F

    Breezy.
    Mostly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: Rain showers likely before 3am, then rain and snow showers likely.  Mostly cloudy, with a low around 33. West wind 15 to 17 mph becoming north in the evening. Winds could gust as high as 30 mph.

    Low: 33 °F

    Showers
    Likely then
    Rain/Snow
    Likely

Detailed Forecast

This Afternoon
Sunny, with a high near 69. Breezy, with a west wind 23 to 26 mph, with gusts as high as 44 mph.
Tonight
Partly cloudy, with a low around 41. Breezy, with a west wind 16 to 21 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 38 mph.
Tuesday
A 20 percent chance of showers after noon. Mostly cloudy, with a high near 63. Light and variable wind becoming southwest 5 to 9 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 38. West wind 5 to 8 mph, with gusts as high as 17 mph.
Wednesday
Mostly sunny, with a high near 70. Southwest wind 7 to 13 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 49. West wind 8 to 10 mph, with gusts as high as 22 mph.
Thursday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 74. Breezy, with a west wind 11 to 21 mph, with gusts as high as 38 mph.
Thursday Night
Rain showers likely before 3am, then rain and snow showers likely. Mostly cloudy, with a low around 33. West wind 15 to 17 mph becoming north in the evening. Winds could gust as high as 30 mph.
Friday
Snow showers likely. Mostly cloudy, with a high near 44. Breezy.
Friday Night
A chance of snow showers before midnight. Mostly cloudy, with a low around 25. Blustery.
Saturday
A slight chance of snow showers. Mostly sunny, with a high near 52. Breezy.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
7 Miles ESE Pringle SD
 43.55°N 103.46°W (Elev. 4180 ft)
12:32 pm MDT Apr 13, 2026
1pm MDT Apr 13, 2026-6pm MDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database